It was discovered that OpenSSL would accept ephemeral RSA keys when using non-export RSA cipher suites. A malicious server could make a TLS/SSL client using OpenSSL use a weaker key exchange method.
Find out more about CVE-2015-0204 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue affects versions of openssl as shipped with Red Hat Enterprise Linux 5, 6 and 7. Errata have been released to correct this issue.
This issue affects the version of openssl098e as shipped with Red Hat Enterprise Linux 6 and 7. Red Hat Product Security has rated this issue as having Moderate security impact and does not plan to address this flaw for the openssl098e component in any future security updates.
This issue affects the version of openssl097a as shipped with Red Hat Enterprise Linux 5. Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
| Base Score | 4.3 |
|---|---|
| Base Metrics | AV:N/AC:M/Au:N/C:P/I:N/A:N |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | Partial |
| Integrity Impact | None |
| Availability Impact | None |
| CVSS3 Base Score | 5.3 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity Impact | None |
| Availability Impact | None |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 7 (openssl) | RHSA-2015:0066 | 2015-01-21 |
| Red Hat JBoss Web Server 2.1 | RHSA-2016:1650 | 2016-08-22 |
| Red Hat JBoss Enterprise Application Platform 6.4 | RHSA-2015:0849 | 2015-04-16 |
| Red Hat Enterprise Linux 5 (openssl) | RHSA-2015:0800 | 2015-04-13 |
| Red Hat JBoss Web Server 3.0 | RHEA-2015:0955 | 2015-05-13 |
| Red Hat Enterprise Linux 6 (openssl) | RHSA-2015:0066 | 2015-01-21 |
| Platform | Package | State |
|---|---|---|
| Red Hat JBoss EWS 1 | openssl | Will not fix |
| Red Hat Gluster Storage 2.1 | openssl | Will not fix |
| Red Hat Enterprise Linux 7 | openssl098e | Will not fix |
| Red Hat Enterprise Linux 6 | openssl098e | Will not fix |
| Red Hat Enterprise Linux 5 | openssl097a | Will not fix |
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